 |
| Identical to |
CF1
= UF1
|
| Similar
Tubes |
EF1 (Heater different)
|
| First Series |
Mar.1934 Tube leaflet collection E.Erb Analysis by original leaflets |
| First Source
(s) |
Feb.1934 : Toute la radio # 1
Jul.1935 : Die Sendung 1935 #7
|
| Predecessor Tubes |
B2046
|
| Successor Tubes |
1935
CF7
|
|
| Base |
Europe side contact base P (P8A) (Codex=Sf)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel / series AC/DC /
If: 0.2 Ampere /
Vf 13 Volts /
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
ficha de valvulas
Getulio Jimenez-Gomez
|
|
|
|
Collection TL
Thomas Lebeth
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
|
|
|
